TY  - JOUR
AU  - Radouane Yafia
TI  - The effect of time delay and Hopf bifurcation
 in a tumor-immune system competition model
 with negative immune response
JO  - Applicationes Mathematicae
PY  - 2009
SP  - 349
EP  - 364
VL  - 36
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/am36-3-7/
DO  - 10.4064/am36-3-7
LA  - en
ID  - 10_4064_am36_3_7
ER  -